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<div class="title">ConfigureVectorization.h</div>  </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Copyright (C) 2008-2018 Gael Guennebaud &lt;gael.guennebaud@inria.fr&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// Copyright (C) 2020, Arm Limited and Contributors</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160; </div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#ifndef EIGEN_CONFIGURE_VECTORIZATION_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#define EIGEN_CONFIGURE_VECTORIZATION_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">//------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">// Static and dynamic alignment control</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">// The main purpose of this section is to define EIGEN_MAX_ALIGN_BYTES and EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">// as the maximal boundary in bytes on which dynamically and statically allocated data may be alignment respectively.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">// The values of EIGEN_MAX_ALIGN_BYTES and EIGEN_MAX_STATIC_ALIGN_BYTES can be specified by the user. If not,</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">// a default value is automatically computed based on architecture, compiler, and OS.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">// This section also defines macros EIGEN_ALIGN_TO_BOUNDARY(N) and the shortcuts EIGEN_ALIGN{8,16,32,_MAX}</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">// to be used to declare statically aligned buffers.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">//------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">/* EIGEN_ALIGN_TO_BOUNDARY(n) forces data to be n-byte aligned. This is used to satisfy SIMD requirements.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * However, we do that EVEN if vectorization (EIGEN_VECTORIZE) is disabled,</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> * so that vectorization doesn&#39;t affect binary compatibility.</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> * If we made alignment depend on whether or not EIGEN_VECTORIZE is defined, it would be impossible to link</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> * vectorized and non-vectorized code.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#if (defined EIGEN_CUDACC)</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">  #define EIGEN_ALIGN_TO_BOUNDARY(n) __align__(n)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">  #define EIGEN_ALIGNOF(x) __alignof(x)</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">  #define EIGEN_ALIGN_TO_BOUNDARY(n) alignas(n)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">  #define EIGEN_ALIGNOF(x) alignof(x)</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">// If the user explicitly disable vectorization, then we also disable alignment</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#if defined(EIGEN_DONT_VECTORIZE)</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">  #if defined(EIGEN_GPUCC)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="comment">// GPU code is always vectorized and requires memory alignment for</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="comment">// statically allocated buffers.</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">    #define EIGEN_IDEAL_MAX_ALIGN_BYTES 16</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">  #else</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">    #define EIGEN_IDEAL_MAX_ALIGN_BYTES 0</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#elif defined(__AVX512F__)</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;  <span class="comment">// 64 bytes static alignment is preferred only if really required</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">  #define EIGEN_IDEAL_MAX_ALIGN_BYTES 64</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#elif defined(__AVX__)</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  <span class="comment">// 32 bytes static alignment is preferred only if really required</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">  #define EIGEN_IDEAL_MAX_ALIGN_BYTES 32</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor">  #define EIGEN_IDEAL_MAX_ALIGN_BYTES 16</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">// EIGEN_MIN_ALIGN_BYTES defines the minimal value for which the notion of explicit alignment makes sense</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#define EIGEN_MIN_ALIGN_BYTES 16</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">// Defined the boundary (in bytes) on which the data needs to be aligned. Note</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">// that unless EIGEN_ALIGN is defined and not equal to 0, the data may not be</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">// aligned at all regardless of the value of this #define.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160; </div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor">#if (defined(EIGEN_DONT_ALIGN_STATICALLY) || defined(EIGEN_DONT_ALIGN))  &amp;&amp; defined(EIGEN_MAX_STATIC_ALIGN_BYTES) &amp;&amp; EIGEN_MAX_STATIC_ALIGN_BYTES&gt;0</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#error EIGEN_MAX_STATIC_ALIGN_BYTES and EIGEN_DONT_ALIGN[_STATICALLY] are both defined with EIGEN_MAX_STATIC_ALIGN_BYTES!=0. Use EIGEN_MAX_STATIC_ALIGN_BYTES=0 as a synonym of EIGEN_DONT_ALIGN_STATICALLY.</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">// EIGEN_DONT_ALIGN_STATICALLY and EIGEN_DONT_ALIGN are deprecated</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">// They imply EIGEN_MAX_STATIC_ALIGN_BYTES=0</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="preprocessor">#if defined(EIGEN_DONT_ALIGN_STATICALLY) || defined(EIGEN_DONT_ALIGN)</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">  #ifdef EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="preprocessor">    #undef EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor">  #define EIGEN_MAX_STATIC_ALIGN_BYTES 0</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor">#ifndef EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  <span class="comment">// Try to automatically guess what is the best default value for EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160; </div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  <span class="comment">// 16 byte alignment is only useful for vectorization. Since it affects the ABI, we need to enable</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="comment">// 16 byte alignment on all platforms where vectorization might be enabled. In theory we could always</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;  <span class="comment">// enable alignment, but it can be a cause of problems on some platforms, so we just disable it in</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  <span class="comment">// certain common platform (compiler+architecture combinations) to avoid these problems.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <span class="comment">// Only static alignment is really problematic (relies on nonstandard compiler extensions),</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;  <span class="comment">// try to keep heap alignment even when we have to disable static alignment.</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">  #if EIGEN_COMP_GNUC &amp;&amp; !(EIGEN_ARCH_i386_OR_x86_64 || EIGEN_ARCH_ARM_OR_ARM64 || EIGEN_ARCH_PPC || EIGEN_ARCH_IA64 || EIGEN_ARCH_MIPS)</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">  #define EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT 1</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="preprocessor">  #else</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="preprocessor">  #define EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT 0</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  <span class="comment">// static alignment is completely disabled with GCC 3, Sun Studio, and QCC/QNX</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="preprocessor">  #if !EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">  &amp;&amp; !EIGEN_COMP_SUNCC \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">  &amp;&amp; !EIGEN_OS_QNX</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">    #define EIGEN_ARCH_WANTS_STACK_ALIGNMENT 1</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor">  #else</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">    #define EIGEN_ARCH_WANTS_STACK_ALIGNMENT 0</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160; </div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor">  #if EIGEN_ARCH_WANTS_STACK_ALIGNMENT</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor">    #define EIGEN_MAX_STATIC_ALIGN_BYTES EIGEN_IDEAL_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">  #else</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">    #define EIGEN_MAX_STATIC_ALIGN_BYTES 0</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="comment">// If EIGEN_MAX_ALIGN_BYTES is defined, then it is considered as an upper bound for EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#if defined(EIGEN_MAX_ALIGN_BYTES) &amp;&amp; EIGEN_MAX_ALIGN_BYTES&lt;EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor">#undef EIGEN_MAX_STATIC_ALIGN_BYTES</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">#define EIGEN_MAX_STATIC_ALIGN_BYTES EIGEN_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#if EIGEN_MAX_STATIC_ALIGN_BYTES==0 &amp;&amp; !defined(EIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT)</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="preprocessor">  #define EIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment">// At this stage, EIGEN_MAX_STATIC_ALIGN_BYTES&gt;0 is the true test whether we want to align arrays on the stack or not.</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">// It takes into account both the user choice to explicitly enable/disable alignment (by setting EIGEN_MAX_STATIC_ALIGN_BYTES)</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment">// and the architecture config (EIGEN_ARCH_WANTS_STACK_ALIGNMENT).</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">// Henceforth, only EIGEN_MAX_STATIC_ALIGN_BYTES should be used.</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160; </div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="comment">// Shortcuts to EIGEN_ALIGN_TO_BOUNDARY</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="preprocessor">#define EIGEN_ALIGN8  EIGEN_ALIGN_TO_BOUNDARY(8)</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="preprocessor">#define EIGEN_ALIGN16 EIGEN_ALIGN_TO_BOUNDARY(16)</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">#define EIGEN_ALIGN32 EIGEN_ALIGN_TO_BOUNDARY(32)</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="preprocessor">#define EIGEN_ALIGN64 EIGEN_ALIGN_TO_BOUNDARY(64)</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="preprocessor">#if EIGEN_MAX_STATIC_ALIGN_BYTES&gt;0</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="preprocessor">#define EIGEN_ALIGN_MAX EIGEN_ALIGN_TO_BOUNDARY(EIGEN_MAX_STATIC_ALIGN_BYTES)</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor">#define EIGEN_ALIGN_MAX</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160; </div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="comment">// Dynamic alignment control</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="preprocessor">#if defined(EIGEN_DONT_ALIGN) &amp;&amp; defined(EIGEN_MAX_ALIGN_BYTES) &amp;&amp; EIGEN_MAX_ALIGN_BYTES&gt;0</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="preprocessor">#error EIGEN_MAX_ALIGN_BYTES and EIGEN_DONT_ALIGN are both defined with EIGEN_MAX_ALIGN_BYTES!=0. Use EIGEN_MAX_ALIGN_BYTES=0 as a synonym of EIGEN_DONT_ALIGN.</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="preprocessor">#ifdef EIGEN_DONT_ALIGN</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="preprocessor">  #ifdef EIGEN_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="preprocessor">    #undef EIGEN_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor">  #define EIGEN_MAX_ALIGN_BYTES 0</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="preprocessor">#elif !defined(EIGEN_MAX_ALIGN_BYTES)</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="preprocessor">  #define EIGEN_MAX_ALIGN_BYTES EIGEN_IDEAL_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="preprocessor">#if EIGEN_IDEAL_MAX_ALIGN_BYTES &gt; EIGEN_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="preprocessor">#define EIGEN_DEFAULT_ALIGN_BYTES EIGEN_IDEAL_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="preprocessor">#define EIGEN_DEFAULT_ALIGN_BYTES EIGEN_MAX_ALIGN_BYTES</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="preprocessor">#ifndef EIGEN_UNALIGNED_VECTORIZE</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="preprocessor">#define EIGEN_UNALIGNED_VECTORIZE 1</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160; </div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="comment">//----------------------------------------------------------------------</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160; </div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="comment">// if alignment is disabled, then disable vectorization. Note: EIGEN_MAX_ALIGN_BYTES is the proper check, it takes into</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">// account both the user&#39;s will (EIGEN_MAX_ALIGN_BYTES,EIGEN_DONT_ALIGN) and our own platform checks</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="preprocessor">#if EIGEN_MAX_ALIGN_BYTES==0</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="preprocessor">  #ifndef EIGEN_DONT_VECTORIZE</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor">    #define EIGEN_DONT_VECTORIZE</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="comment">// The following (except #include &lt;malloc.h&gt; and _M_IX86_FP ??) can likely be</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="comment">// removed as gcc 4.1 and msvc 2008 are not supported anyways.</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="preprocessor">#if EIGEN_COMP_MSVC</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="preprocessor">  #include &lt;malloc.h&gt;</span> <span class="comment">// for _aligned_malloc -- need it regardless of whether vectorization is enabled</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  <span class="comment">// a user reported that in 64-bit mode, MSVC doesn&#39;t care to define _M_IX86_FP.</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="preprocessor">  #if (defined(_M_IX86_FP) &amp;&amp; (_M_IX86_FP &gt;= 2)) || EIGEN_ARCH_x86_64</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="preprocessor">    #define EIGEN_SSE2_ON_MSVC_2008_OR_LATER</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="preprocessor">  #if (defined __SSE2__) &amp;&amp; ( (!EIGEN_COMP_GNUC) || EIGEN_COMP_ICC || EIGEN_COMP_GNUC )</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="preprocessor">    #define EIGEN_SSE2_ON_NON_MSVC_BUT_NOT_OLD_GCC</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="preprocessor">#if !(defined(EIGEN_DONT_VECTORIZE) || defined(EIGEN_GPUCC))</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160; </div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="preprocessor">  #if defined (EIGEN_SSE2_ON_NON_MSVC_BUT_NOT_OLD_GCC) || defined(EIGEN_SSE2_ON_MSVC_2008_OR_LATER)</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160; </div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="comment">// Defines symbols for compile-time detection of which instructions are</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="comment">// used.</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    <span class="comment">// EIGEN_VECTORIZE_YY is defined if and only if the instruction set YY is used</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE_SSE</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE_SSE2</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160; </div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    <span class="comment">// Detect sse3/ssse3/sse4:</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="comment">// gcc and icc defines __SSE3__, ...</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="comment">// there is no way to know about this on msvc. You can define EIGEN_VECTORIZE_SSE* if you</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    <span class="comment">// want to force the use of those instructions with msvc.</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="preprocessor">    #ifdef __SSE3__</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE3</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="preprocessor">    #ifdef __SSSE3__</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSSE3</span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="preprocessor">    #ifdef __SSE4_1__</span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="preprocessor">    #ifdef __SSE4_2__</span></div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_2</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="preprocessor">    #ifdef __AVX__</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="preprocessor">      #ifndef EIGEN_USE_SYCL </span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="preprocessor">        #define EIGEN_VECTORIZE_AVX</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE3</span></div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSSE3</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_2</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="preprocessor">    #ifdef __AVX2__</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="preprocessor">      #ifndef EIGEN_USE_SYCL </span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="preprocessor">        #define EIGEN_VECTORIZE_AVX2</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="preprocessor">        #define EIGEN_VECTORIZE_AVX</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE3</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSSE3</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_2</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="preprocessor">    #if defined(__FMA__) || (EIGEN_COMP_MSVC &amp;&amp; defined(__AVX2__))</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;      <span class="comment">// MSVC does not expose a switch dedicated for FMA</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;      <span class="comment">// For MSVC, AVX2 =&gt; FMA</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_FMA</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="preprocessor">    #if defined(__AVX512F__)</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="preprocessor">      #ifndef EIGEN_VECTORIZE_FMA</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="preprocessor">      #if EIGEN_COMP_GNUC</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="preprocessor">      #error Please add -mfma to your compiler flags: compiling with -mavx512f alone without SSE/AVX FMA is not supported (bug 1638).</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="preprocessor">      #else</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="preprocessor">      #error Please enable FMA in your compiler flags (e.g. -mfma): compiling with AVX512 alone without SSE/AVX FMA is not supported (bug 1638).</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="preprocessor">      #ifndef EIGEN_USE_SYCL</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="preprocessor">        #define EIGEN_VECTORIZE_AVX512</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="preprocessor">        #define EIGEN_VECTORIZE_AVX2</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="preprocessor">        #define EIGEN_VECTORIZE_AVX</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_FMA</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE3</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSSE3</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="preprocessor">      #define EIGEN_VECTORIZE_SSE4_2</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="preprocessor">      #ifndef EIGEN_USE_SYCL</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="preprocessor">        #ifdef __AVX512DQ__</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="preprocessor">          #define EIGEN_VECTORIZE_AVX512DQ</span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="preprocessor">        #ifdef __AVX512ER__</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="preprocessor">          #define EIGEN_VECTORIZE_AVX512ER</span></div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="preprocessor">        #ifdef __AVX512BF16__</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="preprocessor">          #define EIGEN_VECTORIZE_AVX512BF16</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="comment">// Disable AVX support on broken xcode versions</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;<span class="preprocessor">    #if defined(__apple_build_version__) &amp;&amp; (__apple_build_version__ == 11000033 ) &amp;&amp; ( __MAC_OS_X_VERSION_MIN_REQUIRED == 101500 )</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;      <span class="comment">// A nasty bug in the clang compiler shipped with xcode in a common compilation situation</span></div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;      <span class="comment">// when XCode 11.0 and Mac deployment target macOS 10.15 is https://trac.macports.org/ticket/58776#no1</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;<span class="preprocessor">      #ifdef EIGEN_VECTORIZE_AVX</span></div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="preprocessor">        #undef EIGEN_VECTORIZE_AVX</span></div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;<span class="preprocessor">        #warning &quot;Disabling AVX support: clang compiler shipped with XCode 11.[012] generates broken assembly with -macosx-version-min=10.15 and AVX enabled. &quot;</span></div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_AVX2</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="preprocessor">          #undef EIGEN_VECTORIZE_AVX2</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_FMA</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;<span class="preprocessor">          #undef EIGEN_VECTORIZE_FMA</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_AVX512</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="preprocessor">          #undef EIGEN_VECTORIZE_AVX512</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_AVX512DQ</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="preprocessor">          #undef EIGEN_VECTORIZE_AVX512DQ</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_AVX512ER</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="preprocessor">          #undef EIGEN_VECTORIZE_AVX512ER</span></div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;      <span class="comment">// NOTE: Confirmed test failures in XCode 11.0, and XCode 11.2 with  -macosx-version-min=10.15 and AVX</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;      <span class="comment">// NOTE using -macosx-version-min=10.15 with Xcode 11.0 results in runtime segmentation faults in many tests, 11.2 produce core dumps in 3 tests</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;      <span class="comment">// NOTE using -macosx-version-min=10.14 produces functioning and passing tests in all cases</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;      <span class="comment">// NOTE __clang_version__ &quot;11.0.0 (clang-1100.0.33.8)&quot;  XCode 11.0 &lt;- Produces many segfault and core dumping tests</span></div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;      <span class="comment">//                                                                    with  -macosx-version-min=10.15 and AVX</span></div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;      <span class="comment">// NOTE __clang_version__ &quot;11.0.0 (clang-1100.0.33.12)&quot; XCode 11.2 &lt;- Produces 3 core dumping tests with  </span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;      <span class="comment">//                                                                    -macosx-version-min=10.15 and AVX</span></div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="preprocessor">    #endif</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160; </div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="comment">// include files</span></div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160; </div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="comment">// This extern &quot;C&quot; works around a MINGW-w64 compilation issue</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    <span class="comment">// https://sourceforge.net/tracker/index.php?func=detail&amp;aid=3018394&amp;group_id=202880&amp;atid=983354</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="comment">// In essence, intrin.h is included by windows.h and also declares intrinsics (just as emmintrin.h etc. below do).</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="comment">// However, intrin.h uses an extern &quot;C&quot; declaration, and g++ thus complains of duplicate declarations</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="comment">// with conflicting linkage.  The linkage for intrinsics doesn&#39;t matter, but at that stage the compiler doesn&#39;t know;</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="comment">// so, to avoid compile errors when windows.h is included after Eigen/Core, ensure intrinsics are extern &quot;C&quot; here too.</span></div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="comment">// notice that since these are C headers, the extern &quot;C&quot; is theoretically needed anyways.</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    <span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;      <span class="comment">// In theory we should only include immintrin.h and not the other *mmintrin.h header files directly.</span></div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;      <span class="comment">// Doing so triggers some issues with ICC. However old gcc versions seems to not have this file, thus:</span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="preprocessor">      #if EIGEN_COMP_ICC &gt;= 1110</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="preprocessor">        #include &lt;immintrin.h&gt;</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="preprocessor">      #else</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="preprocessor">        #include &lt;mmintrin.h&gt;</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="preprocessor">        #include &lt;emmintrin.h&gt;</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="preprocessor">        #include &lt;xmmintrin.h&gt;</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="preprocessor">        #ifdef  EIGEN_VECTORIZE_SSE3</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="preprocessor">        #include &lt;pmmintrin.h&gt;</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_SSSE3</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="preprocessor">        #include &lt;tmmintrin.h&gt;</span></div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_SSE4_1</span></div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="preprocessor">        #include &lt;smmintrin.h&gt;</span></div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="preprocessor">        #ifdef EIGEN_VECTORIZE_SSE4_2</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;<span class="preprocessor">        #include &lt;nmmintrin.h&gt;</span></div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="preprocessor">        #if defined(EIGEN_VECTORIZE_AVX) || defined(EIGEN_VECTORIZE_AVX512)</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;<span class="preprocessor">        #include &lt;immintrin.h&gt;</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="preprocessor">      #endif</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    } <span class="comment">// end extern &quot;C&quot;</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160; </div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;<span class="preprocessor">  #elif defined __VSX__</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160; </div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE_VSX</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;<span class="preprocessor">    #include &lt;altivec.h&gt;</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <span class="comment">// We need to #undef all these ugly tokens defined in &lt;altivec.h&gt;</span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    <span class="comment">// =&gt; use __vector instead of vector</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;<span class="preprocessor">    #undef bool</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="preprocessor">    #undef vector</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="preprocessor">    #undef pixel</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160; </div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="preprocessor">  #elif defined __ALTIVEC__</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160; </div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE_ALTIVEC</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;<span class="preprocessor">    #include &lt;altivec.h&gt;</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    <span class="comment">// We need to #undef all these ugly tokens defined in &lt;altivec.h&gt;</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    <span class="comment">// =&gt; use __vector instead of vector</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="preprocessor">    #undef bool</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;<span class="preprocessor">    #undef vector</span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="preprocessor">    #undef pixel</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160; </div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;<span class="preprocessor">  #elif ((defined  __ARM_NEON) || (defined __ARM_NEON__)) &amp;&amp; !(defined EIGEN_ARM64_USE_SVE)</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160; </div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE_NEON</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="preprocessor">    #include &lt;arm_neon.h&gt;</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160; </div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;  <span class="comment">// We currently require SVE to be enabled explicitly via EIGEN_ARM64_USE_SVE and</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;  <span class="comment">// will not select the backend automatically</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="preprocessor">  #elif (defined __ARM_FEATURE_SVE) &amp;&amp; (defined EIGEN_ARM64_USE_SVE)</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160; </div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="preprocessor">    #define EIGEN_VECTORIZE_SVE</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="preprocessor">    #include &lt;arm_sve.h&gt;</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160; </div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    <span class="comment">// Since we depend on knowing SVE vector lengths at compile-time, we need</span></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    <span class="comment">// to ensure a fixed lengths is set</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="preprocessor">    #if defined __ARM_FEATURE_SVE_BITS</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;<span class="preprocessor">      #define EIGEN_ARM64_SVE_VL __ARM_FEATURE_SVE_BITS</span></div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;<span class="preprocessor">    #else</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="preprocessor">#error &quot;Eigen requires a fixed SVE lector length but EIGEN_ARM64_SVE_VL is not set.&quot;</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160; </div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="preprocessor">#elif (defined __s390x__ &amp;&amp; defined __VEC__)</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160; </div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="preprocessor">#define EIGEN_VECTORIZE</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="preprocessor">#define EIGEN_VECTORIZE_ZVECTOR</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="preprocessor">#include &lt;vecintrin.h&gt;</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160; </div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;<span class="preprocessor">#elif defined __mips_msa</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160; </div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="comment">// Limit MSA optimizations to little-endian CPUs for now.</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="comment">// TODO: Perhaps, eventually support MSA optimizations on big-endian CPUs?</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="preprocessor">#if defined(__BYTE_ORDER__) &amp;&amp; (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="preprocessor">#if defined(__LP64__)</span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="preprocessor">#define EIGEN_MIPS_64</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="preprocessor">#define EIGEN_MIPS_32</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="preprocessor">#define EIGEN_VECTORIZE</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="preprocessor">#define EIGEN_VECTORIZE_MSA</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="preprocessor">#include &lt;msa.h&gt;</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160; </div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160; </div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;<span class="comment">// Following the Arm ACLE arm_neon.h should also include arm_fp16.h but not all</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="comment">// compilers seem to follow this. We therefore include it explicitly.</span></div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;<span class="comment">// See also: https://bugs.llvm.org/show_bug.cgi?id=47955</span></div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="preprocessor">#if defined(EIGEN_HAS_ARM64_FP16_SCALAR_ARITHMETIC)</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="preprocessor">  #include &lt;arm_fp16.h&gt;</span></div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160; </div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;<span class="preprocessor">#if defined(__F16C__) &amp;&amp; (!defined(EIGEN_GPUCC) &amp;&amp; (!EIGEN_COMP_CLANG || EIGEN_COMP_CLANG&gt;=380))</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;  <span class="comment">// We can use the optimized fp16 to float and float to fp16 conversion routines</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="preprocessor">  #define EIGEN_HAS_FP16_C</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160; </div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="preprocessor">  #if EIGEN_COMP_GNUC</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;    <span class="comment">// Make sure immintrin.h is included, even if e.g. vectorization is</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    <span class="comment">// explicitly disabled (see also issue #2395).</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;    <span class="comment">// Note that FP16C intrinsics for gcc and clang are included by immintrin.h,</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    <span class="comment">// as opposed to emmintrin.h as suggested by Intel:</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;    <span class="comment">// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#othertechs=FP16C&amp;expand=1711</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="preprocessor">    #include &lt;immintrin.h&gt;</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160; </div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="preprocessor">#if defined EIGEN_CUDACC</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="preprocessor">  #define EIGEN_VECTORIZE_GPU</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="preprocessor">  #include &lt;vector_types.h&gt;</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;<span class="preprocessor">  #if EIGEN_CUDA_SDK_VER &gt;= 70500</span></div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;<span class="preprocessor">    #define EIGEN_HAS_CUDA_FP16</span></div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;<span class="preprocessor">  #endif</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160; </div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;<span class="preprocessor">#if defined(EIGEN_HAS_CUDA_FP16)</span></div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="preprocessor">  #include &lt;cuda_runtime_api.h&gt;</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;<span class="preprocessor">  #include &lt;cuda_fp16.h&gt;</span></div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160; </div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="preprocessor">#if defined(EIGEN_HIPCC)</span></div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="preprocessor">  #define EIGEN_VECTORIZE_GPU</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="preprocessor">  #include &lt;hip/hip_vector_types.h&gt;</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;<span class="preprocessor">  #define EIGEN_HAS_HIP_FP16</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;<span class="preprocessor">  #include &lt;hip/hip_fp16.h&gt;</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;<span class="preprocessor">  #define EIGEN_HAS_HIP_BF16</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="preprocessor">  #include &lt;hip/hip_bfloat16.h&gt;</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160; </div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160; </div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="preprocessor">#include &quot;../InternalHeaderCheck.h&quot;</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160; </div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceEigen.html">Eigen</a> {</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160; </div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="keyword">inline</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *SimdInstructionSetsInUse(<span class="keywordtype">void</span>) {</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;<span class="preprocessor">#if defined(EIGEN_VECTORIZE_AVX512)</span></div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;AVX512, FMA, AVX2, AVX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2&quot;</span>;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_AVX)</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;AVX SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2&quot;</span>;</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_SSE4_2)</span></div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2&quot;</span>;</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_SSE4_1)</span></div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;SSE, SSE2, SSE3, SSSE3, SSE4.1&quot;</span>;</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_SSSE3)</span></div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;SSE, SSE2, SSE3, SSSE3&quot;</span>;</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_SSE3)</span></div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;SSE, SSE2, SSE3&quot;</span>;</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_SSE2)</span></div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;SSE, SSE2&quot;</span>;</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_ALTIVEC)</span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;AltiVec&quot;</span>;</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_VSX)</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;VSX&quot;</span>;</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_NEON)</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;ARM NEON&quot;</span>;</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_SVE)</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;ARM SVE&quot;</span>;</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_ZVECTOR)</span></div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;S390X ZVECTOR&quot;</span>;</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;<span class="preprocessor">#elif defined(EIGEN_VECTORIZE_MSA)</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;MIPS MSA&quot;</span>;</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;  <span class="keywordflow">return</span> <span class="stringliteral">&quot;None&quot;</span>;</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;}</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160; </div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;} <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160; </div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160; </div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// EIGEN_CONFIGURE_VECTORIZATION_H</span></div>
<div class="ttc" id="anamespaceEigen_html"><div class="ttname"><a href="namespaceEigen.html">Eigen</a></div><div class="ttdoc">Namespace containing all symbols from the Eigen library.</div><div class="ttdef"><b>Definition:</b> Core:139</div></div>
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